update elements and fix some bugs

lib/src/prism/tests/languages/scss+haml/scss_inclusion.test

Index: lib/src/prism/tests/languages/scss+haml/scss_inclusion.test
diff --git a/lib/src/prism/tests/languages/scss+haml/scss_inclusion.test b/lib/src/prism/tests/languages/scss+haml/scss_inclusion.test
new file mode 100644
index 0000000000000000000000000000000000000000..3f52393c649b8cef51599e5dec1f26dd3f30805a
--- /dev/null
+++ b/lib/src/prism/tests/languages/scss+haml/scss_inclusion.test
@@ -0,0 +1,40 @@
+:scss
+	#main {
+		width: $width;
+	}
+
+~
+	:scss
+	  #main {
+	    width: $width;
+	  }
+
+----------------------------------------------------
+
+[
+	["filter-scss", [
+		["filter-name", ":scss"],
+		["selector", ["#main "]],
+		["punctuation", "{"],
+		["property", "width"],
+		["punctuation", ":"],
+		["variable", "$width"],
+		["punctuation", ";"],
+		["punctuation", "}"]
+	]],
+	["punctuation", "~"],
+	["filter-scss", [
+		["filter-name", ":scss"],
+		["selector", ["#main "]],
+		["punctuation", "{"],
+		["property", "width"],
+		["punctuation", ":"],
+		["variable", "$width"],
+		["punctuation", ";"],
+		["punctuation", "}"]
+	]]
+]
+
+----------------------------------------------------
+
+Checks for CSS filter in Haml. The tilde serves only as a separator.